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Subject: Re: Testposition - The Burial

Author: John Merlino

Date: 11:53:13 02/28/01

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On February 28, 2001 at 04:01:03, Sune Larsson wrote:

>
>  [D]5Bk1/2R5/2p4P/p4p2/1p3P2/1P6/7p/1bK5 w - - 0 1
>
>  The story goes that the unknown white player had made some miscalculations
>  in the middlegame. Now he sat there staring at the black h2 pawn, which
>  was just about to promote. His opponent was walking around with a big
>  smile on his face. Heavy clouds entered the white player's mind. Not
>  only was he facing a loss in the team match but just recently a good
>  friend of his had passed away. When suddenly an ingenious idea flashed
>  his mind! Oh yes, there was indeed a miraculous way to save half a point!
>
>  Test: White to move and make a draw. Fritz seems to have a good idea
>        about these queer things. The solution is further down.
>
>
>
>
>
>
>
>  1.h7+ Kh8 2.Bg7+! Kxh7 3.Ba1+!  [The point. White has to bury his own bishop.]
>  3.-Kh6 4.Rxc6+ Kh5  5.Kb2!!  [Very surprising! Now the bishop is no longer
>  alive]  5.-h1Q  [The threat was Rc1. On 5.-Bc2 there follows 6.Rc8 and Rh8+]
>  6.Rh6+! Kxh6  and white cannot move...
>
>  Sune

CM8000 knows the answer, but doesn't realize it's a draw:

Time	Depth	Score	Positions	Moves
0:00	1/3	-1.53	10267		1. h7+ Kh8 2. Bd6 h1=Q+ 3. Kb2
					Qh2+ 4. Kxb1
0:00	3/5	-0.73	40961		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 h1=Q 7. Rxh1+ Bxh1
0:00	4/6	-0.82	81545		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Rf1 h1=Q 8. Rxh1 Bxh1
0:01	5/7	-0.82	179573		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Rf1 h1=Q 8. Rxh1 Bxh1
0:04	6/8	-1.03	453344		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Ka2 Kxf4 8. Rf1+ Ke3
0:12	7/9	-1.66	1206978		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Ka2 Kxf4 8. Rf1+ Kg5
					9. Be5 h1=Q 10. Rxh1 Bxh1
0:29	8/10	-1.66	2974966		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Ka2 Kxf4 8. Bd4 h1=Q
					9. Rxh1 Bxh1
1:12	9/11	-1.70	7426722		1. h7+ Kh8 2. Bg7+ Kxh7 3. Ba1+
					Kg6 4. Rxc6+ Kh5 5. Kb2 Be4 6.
					Rc1 Kg4 7. Ka2 Kxf4 8. Bd4 h1=Q
					9. Rxh1 Bxh1 10. Bb6

jm




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